Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantas espécies a família sternidae tem em todo o mundo com menos de 9 espécies em Réunion?
 ###Tabelas: CREATE TABLE composition_of_the_6th_seanad (composition_of_the_6th_seanad_id AUTO_INCREMENT PRIMARY KEY, Administrative Panel INT, Agricultural Panel INT, Cultural and Educational Panel INT, Industrial and Commercial Panel INT, Labour Panel INT, National University of Ireland INT, University of Dublin INT, Nominated by the Taoiseach INT, Total INT) CREATE TABLE "giovani_new_generation"_section ("giovani_new_generation"_section_id AUTO_INCREMENT PRIMARY KEY, Position VARCHAR, Singer VARCHAR, 2nd Evening VARCHAR, 3rd Evening VARCHAR, 4th Evening VARCHAR, 5th Evening VARCHAR) CREATE TABLE tournament_1 (tournament_1_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Time VARCHAR, Score VARCHAR, Set 1 VARCHAR, Set 2 VARCHAR, Set 3 VARCHAR, Total VARCHAR, Report VARCHAR) CREATE TABLE population_and_distribution (population_and_distribution_id AUTO_INCREMENT PRIMARY KEY, Year INT, Numer of Jamaicans granted British citizenship INT, Naturalisation by residence INT, Naturalisation by marriage INT, Registration of a minor child INT, Registration by other means INT) CREATE TABLE birds (birds_id AUTO_INCREMENT PRIMARY KEY, Species VARCHAR, Order VARCHAR, Family VARCHAR, Species worldwide INT, Species on Réunion INT)  
SELECT COUNT Species worldwide FROM birds WHERE Family = sternidae AND Species on Réunion < 9